71485520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11311}}^1$

素因数の和:11403

約数の個数: 40

約数和(自身を含む): 168322560

約数和(自身を除く): 96837040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 11311, 22622, 45244, 56555, 90488, 113110, 180976, 226220, 452440, 893569, 904880, 1787138, 3574276, 4467845, 7148552, 8935690, 14297104, 17871380, 35742760, 71485520]

約数ペア:

[(1, 71485520), (2, 35742760), (4, 17871380), (5, 14297104), (8, 8935690), (10, 7148552), (16, 4467845), (20, 3574276), (40, 1787138), (79, 904880), (80, 893569), (158, 452440), (316, 226220), (395, 180976), (632, 113110), (790, 90488), (1264, 56555), (1580, 45244), (3160, 22622), (6320, 11311)]